Put-Call Ratio (Open Interest) (60-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

ARK 21Shares Bitcoin ETF (ARKB) had 60-Day Put-Call Ratio (Open Interest) of 0.2306 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4349
Historical Volatility (Parkinson)	0.3193
Implied Volatility (Calls)	0.4117
Implied Volatility (Puts)	0.3925
Implied Volatility (Mean)	0.4021
Put-Call Implied Volatility Ratio	0.9533
Implied Volatility Skew	0.0032
Option Statistics
Put-Call Ratio (Volume)	0.1518
Put-Call Ratio (Open Interest)	0.2306